.ant-layout-logo {
  height: 32px;
  background: #333;
  border-radius: 6px;
  margin: 16px;
}
.sider-trigger {
  position: absolute;
  top: 15px;
  right: -25px;
  width: 25px;
  height: 25px;
  line-height: 25px;
  text-align: center;
  color: #fff;
  background: #404040;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  .anticon {
    line-height: 25px;
  }
}
.ant-layout-sider-collapsed .ant-menu .anticon {
  font-size: 16px;
  margin-left: 8px;
}

.ant-layout-sider-collapsed .nav-text {
  display: none;
}

.ant-layout-sider-collapsed .ant-menu-submenu-vertical > .ant-menu-submenu-title:after {
  display: none;
}